Bimar YDZ-10D/3 Notice D'instructions page 36

-Become familiar with the equipment and its operation. Isolate
system electrically. Before attempting the procedure ensure
that:
-Mechanical handling equipment is available, if required, for
handling refrigerant cylinders;
All personal protective equipment is available and being used
correctly.
-The recovery process is supervised at all times by a competent
person;
-Recovery equipment and cylinders conform to the appropriate
standards.
-Pump down refrigerant system, if possible.
- If a vacuum is not possible, make a manifold so that refrigerant
can be removed from various parts of the system.
-Make sure that cylinder is situated on the scales before
recovery takes place.
-Start the recovery machine and operate in accordance with
manufacturer's instructions.
-Do not overfill cylinders. (No more than 80 % volume liquid
charge).
-Do not exceed the maximum working pressure of the cylinder,
even temporarily.
-When the cylinders have been filled correctly and the process
completed, make sure that the cylinders and the equipment are
removed from site promptly and all isolation valves on the
equipment are closed off.
-Recovered refrigerant shall not be charged into another
refrigeration system unless it has been cleaned and checked.
1.1.19 Labelling. Equipment shall be labelled stating that it has
been de-commissioned and emptied of refrigerant. The label